MALAT1 and neoplasm: These findings suggested that MALAT1 plays an oncogenic role in glioma tumorigenesis, which was consistent with previous reports describing MALAT1’s carcinogenic role in various cancer types.26, 27, 28, 29 However, other studies have suggested MALAT1 plays a tumor suppressive role in glioma.33, 34 A study by Han et al.